login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A115573 Array read by rows: row n (>= 1) gives the Betti numbers for the n-th element of the Weyl group of type A_5 (in Goresky's standard ordering). 0
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3, 3, 1, 1, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,13

COMMENTS

The array has 720 rows.

LINKS

Table of n, a(n) for n=1..99.

Mark Goresky, Tables of Kazhdan-Lusztig polynomials

EXAMPLE

Array begins:

1

1 1

1 1

1 1

1 1

1 1

1 2 1

1 2 1

1 2 1

CROSSREFS

Cf. A115570-A115583.

Sequence in context: A131534 A061347 A115579 * A152851 A152849 A115578

Adjacent sequences:  A115570 A115571 A115572 * A115574 A115575 A115576

KEYWORD

nonn,fini,tabf

AUTHOR

Roger L. Bagula, Mar 04 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 18 23:58 EDT 2021. Contains 344009 sequences. (Running on oeis4.)